Which best examples why a wood-burning fireplace represents an open system. A. Because the ashes have to be swept away B. Because a fire requires oxygen from the atmosphere to burn C. Because they can be used for cooking D. Because they are not all made out of brick

Biology · Middle School · Thu Feb 04 2021

Answered on

Here, option (B) is correct.

 A fire requires oxygen from the atmosphere to burn is the best examples why a wood-burning fireplace represents an open system.